About: http://webisa.webdatacommons.org/411274275

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They are not used because Java is a very good OO learning language and people just picked it up there.Java makes excessive use of the observer pattern in Swing, Decorators for IO etc...
http://www.w3.org/ns/prov#wasQuotedFrom	java-gaming.org